CN205532605U - Device is backfilled to shaft of big water percolating capacity - Google Patents
Device is backfilled to shaft of big water percolating capacity Download PDFInfo
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- CN205532605U CN205532605U CN201620209860.0U CN201620209860U CN205532605U CN 205532605 U CN205532605 U CN 205532605U CN 201620209860 U CN201620209860 U CN 201620209860U CN 205532605 U CN205532605 U CN 205532605U
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- vertical shaft
- shaft
- steel pipe
- grouting hole
- reinforced plastic
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Abstract
The utility model provides a device is backfilled to shaft of big water percolating capacity, it includes the molten steel case, molten steel case fixed mounting is on the bottom of shaft is close to the left side wall of infiltration face, the face that the molten steel case is close to the left side wall is for opening wide the structure, and its lap is the enclosed construction, place on the face of the shaft bottom of shaft the bottom of molten steel case, the steel pipe is installed at the top of molten steel case, and the length of steel pipe is greater than the length of shaft, molten steel case internally mounted has the immersible pump, steel pipe inside is provided with many grout pipes, surface grouting hole crowd has been beaten to the basement rock of four sides in the shaft. This device can assemble the moisture of seepage in the deep well, then outside with its discharge deep well, has made things convenient for the backfill of deep well, has improved the backfill quality.
Description
Technical field
This utility model belongs to Construction Technique of Shaft field, the vertical shaft backfilling apparatus of a kind of big water percolating capacity.
Background technology
Engineering reality there is a need to vertical shaft is backfilled, and for there being a class vertical shaft, this silo bottom excavation elevation is less than level of ground water before dam, in addition shaft perimeter bedrock fracture is grown, under the effect of relatively high water head and under the drive of long-time subsurface flow, shaft perimeter rock fracture connects further, make well inner bottom plating and a large amount of retention of excessive fluid of surrounding, and its infiltration phenomenon of prolongation over time maintains stable aggravation state, it is allowed to, at shaft floor and side wall, many places issue occurs, water yield is very big, and this processes to vertical shaft backfill and brings great difficulty.
Traditional vertical shaft backfilling process, it is all first draining pump to be set at silo bottom, draining pump is removed after being drained by water, the most directly leak into self-compacting concrete, so still have, during backfill self-compacting concrete, existence of seeping water in a large number, make backfill not reach expected effect, thus have a strong impact on the quality of vertical shaft backfill.
Utility model content
Technical problem to be solved in the utility model, is to provide the vertical shaft backfilling apparatus of a kind of big water percolating capacity, and this device can converge the moisture of seepage in deep-well, then discharges it outside deep-well, facilitates the backfill of deep-well, improves backfill quality.
In order to realize above-mentioned technical characteristic, the purpose of this utility model is achieved in that the vertical shaft backfilling apparatus of a kind of big water percolating capacity, and it includes that reinforced plastic water container, described reinforced plastic water container are fixedly mounted on the bottom of vertical shaft on the left side wall in infiltration face；Described reinforced plastic water container is open design near the face of left side wall, and its lap is enclosed construction；The bottom of described reinforced plastic water container is placed on the face, shaft bottom of vertical shaft；The top of described reinforced plastic water container is provided with steel pipe, and the length of steel pipe is more than the length of vertical shaft；Described reinforced plastic water container is internally installed immersible pump, and described steel duct is provided with many grout pipes；The basement rock of described four sides of vertical shaft is equipped with surface grouting hole group.
Described surface grouting hole group include multiple right surface grouting hole, left surface grouting hole, front surface grouting hole with after contact grout hole, described right surface grouting hole, left surface grouting hole, front surface grouting hole and contacting grout hole is separately positioned on the left and right side of vertical shaft, left surface, leading flank and trailing flank afterwards.
Described steel pipe uses DN700 steel pipe.
Described diving pump delivery is not less than water percolating capacity, and lift is not less than 1.2 times of shaft height.
Described reinforced plastic water container uses cotton yarn to seal with the basement rock contact position of vertical shaft inwall, and the bottom surface of steel case and the side relative with inwall are set to there is reinforcing bar grid, and the above reinforcement fabrication of grid diameter 36mm forms, and other faces are 5mm steel plate.
On described vertical shaft inwall, infiltration is caused inside steel case by the seepage point of scattered distribution by skirt.
This utility model has the advantages that:
Process construction for the vertical shaft that water percolating capacity is big and have very big breakthrough and technical innovation, solve the problems such as big, the long construction period of vertical shaft water seepage treatment difficulty；The every puzzlement brought to backfill greatly for water percolating capacity in vertical shaft, it is provided that a kind of quick, effective, solution of reduction cost.It is among engineering practice, fundamentally solves vertical shaft water percolating capacity and is difficult to greatly the problem that backfill, backfill weak effect and backfill cost are high, has been truly realized simplification construction process, saving construction cost, has improved construction quality.
Accompanying drawing explanation
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is this utility model site plan.
Fig. 2 is Section A-A figure in this utility model Fig. 1.
Fig. 3 is section B-B figure in this utility model Fig. 1.
In figure: vertical shaft 1, right surface grouting hole 2, front surface grouting hole 3, left surface grouting hole 4, steel pipe 5, reinforced plastic water container 6, left side wall 7, rear contact grout hole 8, immersible pump 9, grout pipe 10, face, shaft bottom 11.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiment of the present utility model is described further.
Seeing Fig. 1-3, the vertical shaft backfilling apparatus of a kind of big water percolating capacity, it includes that reinforced plastic water container 6, described reinforced plastic water container 6 are fixedly mounted on the bottom of vertical shaft 1 on the left side wall 7 in infiltration face；Described reinforced plastic water container 6 is open design near the face of left side wall 7, and its lap is enclosed construction；The bottom of described reinforced plastic water container 6 is placed on the face, shaft bottom 11 of vertical shaft 1；The top of described reinforced plastic water container 6 is provided with steel pipe 5, and the length of steel pipe 5 is more than the length of vertical shaft 1；Described reinforced plastic water container 6 is internally installed immersible pump 9, and described steel pipe 5 is internally provided with many grout pipes 10；The basement rock of described 1 four sides of vertical shaft is equipped with surface grouting hole group.
Further, described surface grouting hole group include multiple right surface grouting hole 2, left surface grouting hole 4, front surface grouting hole 3 with after contact grout hole 8, described right surface grouting hole 2, left surface grouting hole 4, front surface grouting hole 3 and contacting grout hole 8 is separately positioned on the left and right side of vertical shaft 1, left surface, leading flank and trailing flank afterwards.
Further, described steel pipe 5 uses DN700 steel pipe.
Further, the discharge capacity of described immersible pump 9 is not less than water percolating capacity, and lift is not less than 1.2 times of shaft height.
Further, described reinforced plastic water container 6 uses cotton yarn to seal with the basement rock contact position of vertical shaft 1 inwall, and the bottom surface of steel case 6 and the side relative with inwall are set to there is reinforcing bar grid, and the above reinforcement fabrication of grid diameter 36mm forms, and other faces are 5mm steel plate.
On described vertical shaft 1 inwall, infiltration is caused inside steel case 6 by the seepage point of scattered distribution by skirt.
Main technological route of the present utility model:
1 installs a steel case at shaft floor, side wall leakage point, installs a DN700 vertical steel pipe in steel box top, and steel pipe leads directly to outside vertical shaft, installs an immersible pump in steel pipe.
After 2 draining steel casees place, selecting fresh block of stone to be thrown into block stone → leak into self-compacting concrete to vertical shaft, the circulation of coverage block stone to the above 2m in block stone face → according to this is until filling up vertical shaft.
3 immersible pumps removed in steel pipe after concrete curing is good carry out rockfill grouting process to steel case and steel pipe.
4 beat inclined hole at shaft top periphery is carried out and the surface grouting of basement rock facade.
Specific construction technique of the present utility model and operating process:
One arranges draining steel case
After cleaning work is basically completed in 1 vertical shaft 1, the steel case 6 of an a size of 2.0m × 2.0m × 1.5m is installed at vertical shaft 1 side walls leakage point.
Concentration seepage point is covered by 2 steel casees, infiltration is caused in steel case by skirt by the seepage point of the scattered distribution of wall periphery, steel case periphery and basement rock contact position use cotton yarn to seal, steel bottom face and the side relative with wall are set to there is reinforcing bar grid, grid φ more than 36 reinforcement fabrication forms, and other faces are 5mm steel plate.
3 install a DN700 vertical steel pipe 5 at top, steel box top, and steel pipe leads directly to outside vertical shaft.One discharge capacity is installed in steel pipe not less than water percolating capacity, lift not less than the immersible pump of 1.2 times of shaft height.
4 draining steel casees are specifically arranged and are seen Fig. 1.
Two riprap concrete backfills
1 borehole wall processes
Between well before construction, use electronic lifting hanging basket manned or hang counterweight with rope binding giant wall scum silica frost is purged.The borehole wall is not made dabbing and is processed, and cleans up.
2 pour riprap concrete
In draining steel case startup vertical shaft after precipitation, start to jettisoning the particle diameter fresh block of stone at more than 30cm to silo bottom, block stone amount accounts for the 50% of amount of concrete of jettisoninging, jettisoning block stone lion time, for reducing the block stone discharging impact failure to silo bottom pumping equipment, with cage or suspension bucket, block stone is hung in bottom, and use Automated shackle discharging, block clitter to put highly for 2m.
Self-compacting concrete uses concrete mixer truck transport to on-the-spot, reaches directly discharging in well after well head, and self-compacting concrete floods block stone in well, and exceeds block stone 2m.
Above step circulates successively until completing vertical shaft backfill.
Three steel case rockfill groutings
1 after vertical shaft riprap concrete reaches 7 day age, removes the pumping equipment in draining steel pipe.
2 install three diameter 42 rockfill grouting pipes in steel pipe, then backfill graded broken stone in steel pipe, and draining steel pipe upper port is closed after filling up by rubble with iron plate, and shrouding is installed diameter 50 return pipe.
3 carry out rockfill grouting by three grout pipes in steel case and steel pipe, and grouting pressure is 0.5MPa, when injection rate is not more than 1.0L/min, terminate cementing operations after continuity perfusion 10min.
4 steel case rockfill grouting pipelines are arranged and are seen Fig. 2.
Four steel case rockfill groutings
1 round 4 row's surface grouting holes of constructing around vertical shaft.Often 4 grout holes of row.4 grout hole angles and the degree of depth are the most different, to cover shaft wall in vertical height as principle.
Around 2 vertical shafts, all surface grouting holes use one-step pore-creating, are the most successively in the milk.Fill row's Reperfu-sion next row.
3 modes using aperture to block are in the milk, and serosity selects the dense cement mortar of 0.5:1, and grouting pressure is 0.15MPa, when injection rate is not more than 1.0L/min, terminate cementing operations after continuity perfusion 10min.
4 surface grouting arrangement of boring holes are shown in Fig. 3.
Claims (6)
1. the vertical shaft backfilling apparatus of a big water percolating capacity, it is characterised in that: it includes that reinforced plastic water container (6), described reinforced plastic water container (6) are fixedly mounted on the bottom of vertical shaft (1) on the left side wall (7) in infiltration face；Described reinforced plastic water container (6) is open design near the face of left side wall (7), and its lap is enclosed construction；The bottom of described reinforced plastic water container (6) is placed on the face, shaft bottom (11) of vertical shaft (1)；The top of described reinforced plastic water container (6) is provided with steel pipe (5), and the length of steel pipe (5) is more than the length of vertical shaft (1)；Described reinforced plastic water container (6) is internally installed immersible pump (9), and described steel pipe (5) is internally provided with many grout pipes (10)；The basement rock of described (1) four side of vertical shaft is equipped with surface grouting hole group.
The vertical shaft backfilling apparatus of a kind of big water percolating capacity the most according to claim 1, it is characterized in that: described surface grouting hole group include multiple right surface grouting hole (2), left surface grouting hole (4), front surface grouting hole (3) with after contact grout hole (8), described right surface grouting hole (2), left surface grouting hole (4), front surface grouting hole (3) are separately positioned on the left and right side of vertical shaft (1), left surface, leading flank and trailing flank with the rear grout hole (8) that contacts.
The vertical shaft backfilling apparatus of a kind of big water percolating capacity the most according to claim 1, it is characterised in that: described steel pipe (5) uses DN700 steel pipe.
The vertical shaft backfilling apparatus of a kind of big water percolating capacity the most according to claim 1, it is characterised in that: the discharge capacity of described immersible pump (9) is not less than water percolating capacity, and lift is not less than 1.2 times of shaft height.
The vertical shaft backfilling apparatus of a kind of big water percolating capacity the most according to claim 1, it is characterized in that: described reinforced plastic water container (6) uses cotton yarn to seal with the basement rock contact position of vertical shaft (1) inwall, the bottom surface of steel case (6) and the side relative with inwall are set to there is reinforcing bar grid, the above reinforcement fabrication of grid diameter 36mm forms, and other faces are 5mm steel plate.
The vertical shaft backfilling apparatus of a kind of big water percolating capacity the most according to claim 1, it is characterised in that: on described vertical shaft (1) inwall, infiltration is caused inside steel case (6) by the seepage point of scattered distribution by skirt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620209860.0U CN205532605U (en) | 2016-03-18 | 2016-03-18 | Device is backfilled to shaft of big water percolating capacity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620209860.0U CN205532605U (en) | 2016-03-18 | 2016-03-18 | Device is backfilled to shaft of big water percolating capacity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205532605U true CN205532605U (en) | 2016-08-31 |
Family
ID=56783032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620209860.0U Expired - Fee Related CN205532605U (en) | 2016-03-18 | 2016-03-18 | Device is backfilled to shaft of big water percolating capacity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205532605U (en) |
-
2016
- 2016-03-18 CN CN201620209860.0U patent/CN205532605U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20200318 |